draw the context level dfd for the safe home
Draw the Context level DFD for the Safe home Software.
User commands Alarm type
Telephone
Number tone
Sensor status Display
Information
Expected delivery within 24 Hours
q explain dynamic domain name systemddns - dynamic domain name system automatically updates the dns master file- sent by dhcp to a primary dns server
q illustrate user agent servicesuser agent ua services - provide template for user to compose a message- reads incoming messages- allows a user to
define behavioral modellingthe state transition diagram represents the behavior of a system by depicting its states and the events that cause the
q explain multipurpose internet mail extensions- the multipurpose internet mail extensions is an extension of smtp that allows the transfer of
draw the context level dfd for the safe home softwareuser commands alarm typetelephonenumber tonesensor status
what is meant by data dictionarythe data dictionary is a prepared listing of all data elements that are pertinent to the system with precise rigorous
define process specification process specification is used to explain all flow model processes that appear at the final level of refinementcheck amp
what is meant by throw away prototypinggiving the user a system which is incomplete and then changing and augmenting it as the user requires become
what is the use of architectural designthe architectural design explains the relationship among major structural elements of the software the design
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